I did some digging and found this Pixel 2 Launcher. The developer claims it has "rock solid stability", so hopefully, it won't affect your phone's performance (though maybe skip it if you have a V20). He seems pretty active on Reddit so I trust that he might be able to answer any questions you have.
While I generally trust XDA developers, I haven't downloaded these and so cannot personally vouch for them. However, before installing anything more 'drastic' like a new launcher, I would suggest the following:
Back up your phone, in case you need to factory reset!
Ensure a good Antivirus is active and scan the download site and .apk
That should cover you in case anything goes wrong.
My answer will be simple bro. All kinds of launcher will only eat up your RAM. Pretty cool if you have one but at least you should have a larger RAM capacity. If you only have minimum RAM you will end up with a laggy phone. Be sure to have 8Gb RAM to at least experience that launcher more effectively.
Should I assume OP is referring to Pixel 2's default launcher? He could be looking for a launcher that looks like it. You could try Nexus launcher. I don't know if the devs are still maintaining that app.
Always make certain that you have a good antivirus app installed. You don't want to download launchers if they risk harming your phone. However, I wouldn't recommend using a launcher if it is going to eat at your RAM. If you really want it, then do it, but unfortunately I am unable to give you a source that is completely trustworthy.